Bola EXP 50R Carbon Disc Wheelset 700C – 50mm Deep, 28/30mm Wide, DT Swiss 240s
Bola EXP 50R Carbon Disc Wheelset 700C – 50mm Deep, 28/30mm Wide, DT Swiss 240s
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The Bola EXP 50R Carbon Disc Wheelset combines a 50mm rim depth and 28/30mm external width for optimized aerodynamics, stability, and weight efficiency across road and gravel scenarios. Built with premium T800 UD carbon fiber and DT Swiss 240s hubs, this 700C wheelset aligns with ISO 4210-7 certification, providing a versatile and dependable choice for riders prioritizing speed, durability, and value.
Key Features & Specs
- Rim Depth: 50mm for aerodynamic gains and crosswind stability
- External Rim Width: 28mm or 30mm supports modern tire profiles (optimal for 28–32c tires)
- Internal Width: 21mm or 24mm for improved tire sidewall support
- Material: T800 unidirectional (UD) matte carbon fiber, tested to ISO 4210-7
- Hub: DT Swiss 240s, 36T ratchet, Center Lock, 12x100/12x142mm thru-axle, QR compatible
- Total Weight: 1310g (excluding tape/valves), lightweight among aero disc options
- Spokes: Sapim CX Ray bladed for enhanced tensile strength and impact fatigue resistance
- Tubeless Compatibility: Supports both tubeless and clincher setups up to 32c tire width
- Certifications: ISO 4210-7 compliance for material safety and global B2B sale
- Warranty: 24 months, includes crash replacement as per Bola policy
How it Compares
| Feature | Bola EXP 50R | Typical Performance Model* |
|---|---|---|
| Rim Depth / Width | 50mm deep, 28/30mm wide | 50mm deep, 28–32mm wide |
| Total Weight | 1310g (no tape/valves) | 1350–1450g (market average) |
| Material | T800 UD carbon, ISO 4210-7 | T700/T800 carbon, ISO certified |
| Hub | DT Swiss 240s, 36T ratchet | DT Swiss 350/240s or proprietary ratchet |
| Tubeless Ready | Yes, 32c max | Yes, up to 32–35c |
| Warranty | 24 months (global, includes crash replacement) | 12–24 months, crash coverage varies |
*Example: HUNT 50 Carbon Disc, typical mid/high-performance peer models in the $900–1600 segment.
Recommended Use Cases
- All-season road riding—high-speed, stable lap training and group rides
- Gravel racing and endurance cycling up to 32c tire width
- Competitive amateur road racing seeking balanced aero/lightweight wheel upgrades
- B2B wholesale for global retail, shop supply, custom builds with cost-effective carbon
- Multi-purpose bike builds requiring both disc brake and tubeless setups
- Cyclists seeking ISO-certified quality, warranty-backed after-sales service
Frequently Asked Questions
Are 50mm deep carbon disc wheels suitable for both road and gravel riding?
Yes. The Bola EXP 50R’s 50mm depth and 28/30mm external width are specifically engineered for mixed road and light gravel use. This profile balances aerodynamic efficiency with lateral stability for tire sizes up to 32c, making it versatile for endurance, racing, and multi-surface terrain.
How does the 1310g weight compare to other carbon aero wheels?
The 1310g weight (without tape/valves) is competitive among aero-oriented 700C carbon wheelsets. While some ultralight climbing wheels may be sub-1200g, aero disc wheels in this depth typically range 1350–1450g. The Bola EXP 50R prioritizes strength, durability, and multi-terrain compatibility alongside low weight.
What tire sizes are best with 28mm or 30mm outer rims?
The optimal tire size for this rim is 28–32c for road and gravel conditions, maximizing comfort, grip, and aerodynamic shape. Wider tires up to 32c improve all-road performance and vibration absorption, while maintaining aerodynamic benefit.
Are DT Swiss 240s hubs worth it for performance?
DT Swiss 240s hubs offer precise 36T ratchet engagement, high bearing durability, and low rolling resistance. They are regarded for their reliability and serviceability—many competitive riders and shops consider the upgrade valuable if consistent performance is a priority.
What are the benefits of tubeless-ready carbon disc wheels for endurance cyclists?
Tubeless-ready rims allow lower tire pressures for more comfort and grip in long rides and rough terrain. They decrease pinch-flat risk, improve rolling efficiency, and enable use of wider tires—features riders appreciate in endurance, gravel, and group ride settings.
